the 2014 season with 31 combined tackles (23 solo), three pass deflections, an interception, and a sack in 16 games and four starts. The Arizona Cardinals finished second in the NFC West with an 11–5 record and earned a wildcard berth. On January 3, 2015, Acho started in the NFC Wildcard Game and recorded seven combined tackles and forced a fumble during a 27–16 loss at the Carolina Panthers. Chicago Bears 2015 On April 1, 2015, the Chicago Bears signed Acho to a one-year, $840,000 contract. During training camp, Acho competed to be a starting outside linebacker against Jared Allen, Lamarr Houston, David Bass, and Willie Young. Acho was sidelined for three weeks during the preseason after suffering from mononucleosis. On September 12, 2015, the Chicago Bears terminated Acho's contract after he was ruled inactive due to his illness. On September 14, 2015, the Chicago Bears re-signed Acho to a one-year, $840,000 contract. In Week 5, he collected a season-high six solo tackles during an 18–17 loss at the Kansas City Chiefs. Acho shared starts with Willie Young and finished his first season with the Bears in 2015 with 39 combined tackles (30 solo), a pass deflection, a forced fumble, and one fumble recovery in 15 games and seven starts. 2016 On March 28, 2016, the Chicago Bears signed Acho to a one-year, $840,000 contract with a signing bonus of $80,000. During training camp, Acho competed to be a starting outside linebacker against Pernell McPhee, Lamarr Houston, Willie Young, and rookie Leonard Floyd. Head coach John Fox named Acho the backup outside linebacker to begin the regular season, behind Willie Young and Leonard Floyd. On September 18, 2016, Acho recorded three combined tackles and sacked quarterback Carson Wentz during a 29–14 loss to the Philadelphia Eagles in Week 2. The sack became his first since 2014. The following week, he collected season-high four combined tackles in the Bears' 31–17 loss at the Dallas Cowboys in Week 3. He finished the 2016 season with 27 combined tackles (18 solo), a pass deflection, a sack, and a forced fumble in 16 games and six starts. 2017 On April 15, 2017, the Chicago Bears signed Acho to a one-year, $855,000 contract with $130,000 guaranteed and a signing bonus of $80,000. During training camp, Acho competed for a roster spot as a starting outside linebacker against Pernell McPhee, Willie Young, Leonard Floyd, Dan Skuta,